Japanese Black Garlic Oil
Ramen (Mayu)

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Elevate your homemade tonkotsu ramen with this aromatic black garlic oil, crafted by slowly frying garlic into three distinct color stages for deep umami.

↓ The ingredients ↓ The steps

Known as mayu in Japan, black garlic oil is a signature condiment made famous by Kumamoto-style tonkotsu ramen. Unlike fermented black garlic, this traditional finishing oil is created by cooking fresh garlic across multiple stages of browning and charring to unlock a complex, smoky, and bittersweet aroma that cuts through rich pork broths.

A steaming bowl of tonkotsu ramen garnished with chashu, seasoned egg, and a drizzle of rich black garlic oil
A steaming bowl of tonkotsu ramen garnished with chashu, seasoned egg, and a drizzle of rich black garlic oil
Prep10 mins
Cook25 mins
Total35 mins
Yield1 jar (approx. 200 ml)
DifficultyMedium
Calories120 kcal

Ingredients

Instructions

  1. 1Slice the garlic
    Garlic cloves resting on a wooden cutting board being cut into thin slices with a kitchen knife.

    Place the peeled garlic cloves on a cutting board and slice them into thin pieces using a knife.

    Tip: Ensure uniform thickness for even frying.
  2. 2Melt the Lard
    Lard being added to a hot wok and melting into oil over a blue flame.

    Heat the pan on the stove and add about 200 grams of lard, allowing it to melt completely into oil over the heat.

    Tip: Ensure the pan is heated properly before adding the lard so it melts smoothly.
  3. 3Add Garlic Slices
    Garlic slices being dropped into hot oil in a wok.

    Once the lard has completely melted, carefully add the sliced garlic pieces into the hot oil and stir them.

    Tip: Add the garlic gently to avoid splashing the hot oil.
  4. 4Remove First Batch of Garlic
    Golden-brown garlic chips frying evenly in oil inside a pan.

    Continue frying the garlic until it turns golden brown, then remove one-third of the garlic chips using a strainer.

    Tip: Watch the color closely so you can catch the first batch right at golden brown.
  5. 5Remove Second Batch of Garlic
    Brown garlic pieces being scooped out of hot oil with a wire strainer.

    Keep frying the remaining garlic until it turns brown, then remove another one-third of the garlic pieces.

    Tip: Stir continuously to ensure the garlic browns evenly without burning too quickly.
  6. 6Fry Until Black
    Garlic pieces frying in oil until completely black and smoky.

    Continue frying the final portion of garlic until it turns black and smoky, then remove the last third from the oil.

    Tip: Be careful during this stage as the garlic can burn easily and create smoke.
  7. 7Add garlic chips to mortar
    Fried garlic chips in various shades being placed inside a dark red ceramic mortar bowl.

    Transfer the fried garlic chips of three different shades into a ceramic mortar bowl.

    Tip: Make sure the mortar is clean and completely dry before adding the chips.
  8. 8Pour garlic oil into mortar
    Garlic-infused oil being poured from above into a ceramic mortar filled with fried garlic chips.

    Pour some of the oil used to fry the garlic directly into the mortar containing the fried garlic chips.

    Tip: Add the oil gradually to control the texture and consistency.

Storage & Reheating

Room Temperature
2 weeks
Store in a clean, airtight glass jar kept in a cool, dark pantry away from direct sunlight.
Refrigerator
2 months
Refrigerate for longer shelf life. The lard will solidify; simply scoop out the needed amount and stir into hot ramen broth to melt.

Burn It Off

Walking Yoga
~30 minutes of mindful walking yoga.
Shopping
~40 minutes of casual walking.
House Cleaning
~30 minutes of steady housework.

Frequently Asked Questions

No. Fermented black garlic is aged for weeks under controlled heat and humidity, producing sweet, tangy cloves. Mayu is a culinary oil made by actively frying fresh garlic to three different stages of browning and charring to impart deep smokiness.
By combining the blackened garlic with golden and medium-brown batches, the bitterness is balanced by sweet, nutty, and savory notes. The controlled charring provides essential roasted depth without overwhelming acridity.
Pure sesame oil has a lower smoke point and can easily burn or turn excessively bitter during high-heat frying. It is best to fry in lard or neutral oil, and optionally finish with a few drops of toasted sesame oil at the end.
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